Consider the following reaction:  Ba(s) + F2(g) -------> BaF2.  Which of the following statements is true?     Select one: a. The fluorine atom is losing electrons; therefore, it is reduced. b. The fluorine atom is gaining electrons; therefore, it is oxidized. c.  The barium atom is losing electrons; therefore, it is oxidized. d. The barium atom is gaining electrons; therefore, it is oxidized.

Q: 7. A fuel cell is more efficient than combusting the hydrogen in a combustion engine because: a.…

A: The hydrogen-combustion engines aren't as efficient as a hydrogen fuel cell.

Q: Consider the reaction below BIO3 + 2Cu* + H* = BiO+ + 2Cu2+ + 2H2O The oxidizing agent is [ Select ]…

A: We will calculate oxidation number of each element and then find oxidizing and reducing agents and…

Q: 15 n the electrolysis of water, the name of the gas collected at the cathode is

A: The electrolysis of water usually carried out to yield pure hydrogen and oxygen gases.

Q: The same quantity of electricity that caused 10.0 g of Ag to plate out from a solution of AgNO3 is…

A: The second law of Faraday: The second law of Faraday states that ‘’The masses of different ions…

Q: In a redox reaction, electrons are transferred: from the substance being oxidized to the oxidizing…

A: In a typical oxidation-reduction reaction or redox reaction, one of the substance is oxidized while…

Q: Some years ago a unique proposal was made to raise the Titanic. The plan involved placing pontoons…

A: Number of moles of water molecules required for the production of one mole of hydrogen gas at…

Q: Before you go, which type of molecule would you choose to be the anode in the lithium battery? a.…

A: Lithium battery ?

Q: A current of 2.345 A passes through the cell shown for 45 minutes. What is the volume of the…

A: It is a term used in chemistry when a substance undergoes a reaction in which it ends up gaining an…

Q: 20. Which of the following statements is FALSE regarding what occurs during the electrolysis of…

A:

Q: Aluminum can be produced by the electrolysis of Al2O3 at a voltage of 2.5 V. a. How many joules of…

A: We will use the Gibbs energy formula here. Please refer to the below image added answers.

Q: In the reaction SO2 + 2 H2S → 3 S + 2 H2O a. sulfur is oxidized and hydrogen is reduced b. sulfur is…

A: In this question we have to tell which species reduced and which species is oxidized.

Q: You were given the following equation for the reaction to clean tarnish from silver:  3Ag2S(s) +…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: What is one of the advantages of a fuel cell? a. They are more efficient than combustion. b. all of…

A: Hydrogen fuel cells are efficient and cleaner source of energy in comparison to the combustion-based…

Q: Imagine yourself lost on an island alone and you are left with just the following scrap metals.…

A: b. Aluminum anode and Silver cathode. c. Prevent CN- volatization. d. SCN

Q: What environmental problem does sulfur dioxide cause?   How could this environmental problem be…

A: Many impurities present in the coal contains sulfur in it. Hence when they are burned, they convert…

Q: Use the information in the ALEKS Data tab to sort the following chemical species by oxidizing power.

A:

Q: Consider the following reaction: Ba(s) + F2(g) · --- - ---> BaF2. Which of the following statements…

A: Here oxidation state of Barium changes from Ba0 to Ba2+  and  oxidation state of Fluorine changes…

Q: Determine the mass of chlorine produced when a 200 A current flows for 24.0 h through a cell…

A:

Q: Indicate whether each of the following statements is trueor false:(a) If something is reduced, it is…

A: (a) True, Because reduction is a process in which one species loses the electrons.

Q: Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in…

A:

Q: What happens to the electrons that are on the anode? on the cathode?

A: The reaction occurs at anode is oxidation where electrons are lost and  reaction occurs at cathode…

Q: 7.When used as electrodes in an electrochemical cell, what two elements would have the greatest…

A: To find: The cell having the highest voltage: a.aluminum-magnesium or aluminum-zinc, because they…

Q: Consider the reaction: Sn2+(aq) + 2Fe3+(aq) → Sn4+(aq) + 2Fe2+(aq) Which species is the oxidizing…

A: Redox reaction: A reaction in which both oxidation and reduction takes place and oxidation states of…

Q: All of the following should be done in the process of balancing REDOX equations, except * adjust…

A: A redox reaction is reaction in which oxidation and reduction both occur . ->It is balanced in…

Q: a the reaction SO2 + 2 H2S-3S+2 H20 O a. sulfur is oxidized and hydrogen is reduce O b. sulfur is…

A:

Q: The electrolysis of a concentrated sodium chloride solution would produce   sodium metal and…

A: The electrolysis of a concentrated sodium chloride solution would produce sodium metal and chlorine…

Q: Which statement explains why an over-potential must be used in the Chlor-Alkali process? 02 will be…

A: Chlor-Alkaline process is the electrolysis of NaCl solution. As it is an aqueous solution there are…

Q: Explain Anode, Cathode, and Salt Bridge?

A: An electrode is a conductor which helps in establishing electrical contact with a non-metallic part…

Q: t= 37%22 x 63 minutes Sydney wants to set up a cell to nickel plate her new volleyball trophy. She…

A: In the electrolysis of Nickel electrolyte. Using Faraday's law, Mass = Mit/nF  Where, M = molar mass…

Q: A student noticed that the magnesium ribbon appeared to be oxidized-the metal surface was black and…

A: When the fresh unoxidized magnesium ribbon reacts with the acid, it produces MgCl2 and hydrogen gas.…

Q: 14. The picture provided shows a setup for an electrolysis experiment. In this experiment, an…

A: An electrolytic cell runs a non-spontaneous reaction. The setup contains a positively charged anode…

Q: sacrificial anode to prevent your large ocean-going ship (primarily built from iron) from rusting,…

A: Things made up of iron react with oxygen and water present in the air and forms a layer of oxides…

Q: Why do you think these differences exist between the two in how each produces electricity?

A:

Q: Of the following metals, which ions are most easily reduced? c. aluminum 17. a. iron b. mercury d.…

A: The approach for this question is based on reactivity series or electrochemical series. The order of…

Q: Calculate the mass of silver that can be produced by the electrolysis of 1 mol/L of AgCN(aq) using…

A:

Q: For each reaction, write the chemical formulae of the oxidiZed reactants in the space provid…

A: Find out the reactants oxidized and reduced in the following reactions.

Q: With all other things being equal, in which of the following locations will an iron fence corrode…

A: The solution is given below -

Q: What actually happens in a single displacement reaction of the type: + 2 AGNO3 (aq) cu (s) → 2 Ag(s)…

A: In a single replacement reaction, more active metal atom displaced the metal ion from its…

Q: 1. In a Daniel cell, | energy is stored in the zinc rod, the copper rod, and their solutions.…

A: In a Daniel cell, chemical energy is stored in the zinc rod, the copper rod and their solutions.

Q: A propane tank inspector detected rust in a tank. The empty cylinder valve was not closed, and water…

A: Formation of rust is an oxidation reaction.  In this process, iron reacts with oxygen in the…

Q: Define the term Rusting? Give an example?

A: Any film or coating on the metal, when exposed to air, is caused by oxidation. Rusting is an example…

Q: The current reduced 5.439 mol M, resulting in 1.0 kg of metal being collected at the cathode. What…

A:

Q: How many grams of silver are deposited at a platinum cathode in the electrolysis of AgNO3(aq) by…

A: Using mass deposit formula to calculate.

Q: Part A Which element is oxidized in this reaction? he 2CuO + C→2Cu + CO2 Enter the chemical symbol…

A: Oxidation is lose of electrons. Reduction i gaining of electrons. The reactions in which oxidation…

Q: An active (metal) electrode was found to lose mass as the oxidation-reduction reaction was allowed…

A: Given : the electrode is losing mass as the reaction is taking place.

Q: why do we say that methane is oxidized to CO2 when there has not been a complete transfer of…

A: Addition of oxygen or removal of Hydrogen is called oxidation.

Q: calculate the amount of energy required to make 235 g of aluminum at a smelting temperature of 658°C

A:

Q: 19. Which statement is true regarding rust found on an aluminum soda can? The rusted and the non…

A: Corrosion It is the process in which a metal deteriorate on contact with air, moisture, acids bases…

Q: Lead is normally obtained from PbS which is first converted to PbO by roasting in a limited supply…

A: Since in the above reaction, PbS and PbO is being reduced from 2+ state of Pb to 0 state of Pb  And…

Q: Consider the electrolysis of molten barium chloride, BaCl2. How many grams of barium metal can be…

A: